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1 | |
2 | #include <lttv/traceset.h> |
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3 | #include <stdio.h> |
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4 | |
5 | /* A trace is a sequence of events gathered in the same tracing session. The |
6 | events may be stored in several tracefiles in the same directory. |
7 | A trace set is defined when several traces are to be analyzed together, |
8 | possibly to study the interactions between events in the different traces. |
9 | */ |
10 | |
11 | struct _LttvTraceset { |
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12 | char * filename; |
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13 | GPtrArray *traces; |
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14 | LttvAttribute *a; |
15 | }; |
16 | |
17 | |
18 | struct _LttvTrace { |
19 | LttTrace *t; |
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20 | LttvAttribute *a; |
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21 | guint ref_count; |
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22 | }; |
23 | |
24 | |
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25 | LttvTraceset *lttv_traceset_new() |
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26 | { |
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27 | LttvTraceset *s; |
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28 | |
29 | s = g_new(LttvTraceset, 1); |
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30 | s->filename = NULL; |
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31 | s->traces = g_ptr_array_new(); |
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32 | s->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
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33 | return s; |
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34 | } |
35 | |
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36 | char * lttv_traceset_name(LttvTraceset * s) |
37 | { |
38 | return s->filename; |
39 | } |
40 | |
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41 | LttvTrace *lttv_trace_new(LttTrace *t) |
42 | { |
43 | LttvTrace *new_trace; |
44 | |
45 | new_trace = g_new(LttvTrace, 1); |
46 | new_trace->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
47 | new_trace->t = t; |
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48 | new_trace->ref_count = 0; |
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49 | return new_trace; |
50 | } |
51 | |
52 | |
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53 | LttvTraceset *lttv_traceset_copy(LttvTraceset *s_orig) |
54 | { |
55 | int i; |
56 | LttvTraceset *s; |
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57 | LttvTrace * trace; |
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58 | |
59 | s = g_new(LttvTraceset, 1); |
60 | s->filename = NULL; |
61 | s->traces = g_ptr_array_new(); |
62 | for(i=0;i<s_orig->traces->len;i++) |
63 | { |
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64 | trace = g_ptr_array_index(s_orig->traces, i); |
65 | trace->ref_count++; |
66 | |
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67 | /*CHECK this used ltt_trace_copy while it may not be needed. Need to |
68 | define how traces and tracesets are shared */ |
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69 | g_ptr_array_add( |
70 | s->traces, |
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71 | g_ptr_array_index(s_orig->traces, i)); |
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72 | } |
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73 | s->a = LTTV_ATTRIBUTE(lttv_iattribute_deep_copy(LTTV_IATTRIBUTE(s_orig->a))); |
74 | return s; |
75 | } |
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76 | |
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77 | |
78 | LttvTraceset *lttv_traceset_load(const gchar *filename) |
79 | { |
80 | LttvTraceset *s = g_new(LttvTraceset,1); |
81 | FILE *tf; |
82 | |
83 | s->filename = g_strdup(filename); |
84 | tf = fopen(filename,"r"); |
85 | |
86 | g_critical("NOT IMPLEMENTED : load traceset data from a XML file"); |
87 | |
88 | fclose(tf); |
89 | return s; |
90 | } |
91 | |
92 | gint lttv_traceset_save(LttvTraceset *s) |
93 | { |
94 | FILE *tf; |
95 | |
96 | tf = fopen(s->filename, "w"); |
97 | |
98 | g_critical("NOT IMPLEMENTED : save traceset data in a XML file"); |
99 | |
100 | fclose(tf); |
101 | return 0; |
102 | } |
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103 | |
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104 | void lttv_traceset_destroy(LttvTraceset *s) |
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105 | { |
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106 | g_ptr_array_free(s->traces, TRUE); |
107 | g_object_unref(s->a); |
108 | g_free(s); |
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109 | } |
110 | |
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111 | void lttv_trace_destroy(LttvTrace *t) |
112 | { |
113 | g_object_unref(t->a); |
114 | g_free(t); |
115 | } |
116 | |
117 | |
118 | void lttv_traceset_add(LttvTraceset *s, LttvTrace *t) |
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119 | { |
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120 | t->ref_count++; |
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121 | g_ptr_array_add(s->traces, t); |
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122 | } |
123 | |
124 | |
125 | unsigned lttv_traceset_number(LttvTraceset *s) |
126 | { |
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127 | return s->traces->len; |
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128 | } |
129 | |
130 | |
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131 | LttvTrace *lttv_traceset_get(LttvTraceset *s, unsigned i) |
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132 | { |
133 | g_assert(s->traces->len > i); |
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134 | return ((LttvTrace *)s->traces->pdata[i]); |
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135 | } |
136 | |
137 | |
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138 | void lttv_traceset_remove(LttvTraceset *s, unsigned i) |
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139 | { |
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140 | LttvTrace * t; |
141 | g_assert(s->traces->len > i); |
142 | t = (LttvTrace *)s->traces->pdata[i]; |
143 | t->ref_count--; |
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144 | g_ptr_array_remove_index(s->traces, i); |
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145 | } |
146 | |
147 | |
148 | /* A set of attributes is attached to each trace set, trace and tracefile |
149 | to store user defined data as needed. */ |
150 | |
151 | LttvAttribute *lttv_traceset_attribute(LttvTraceset *s) |
152 | { |
153 | return s->a; |
154 | } |
155 | |
156 | |
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157 | LttvAttribute *lttv_trace_attribute(LttvTrace *t) |
158 | { |
159 | return t->a; |
160 | } |
161 | |
162 | |
163 | LttTrace *lttv_trace(LttvTrace *t) |
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164 | { |
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165 | return t->t; |
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166 | } |
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167 | |
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168 | guint lttv_trace_get_ref_number(LttvTrace * t) |
169 | { |
170 | return t->ref_count; |
171 | } |